identify the like terms. 9x, 10y, –9y, 10 a. 9x and 10 b. 10y and 10 c. 10y and –9y d. 9x and -9y the term 25ab and which other term are like terms? a. 25 b. 24a c. 5ba d. 10bcombine like terms.15w – 28w a. –43w b. –13w c. –13 d. combine like terms.9 + 18s – 7s a. 20s b. 9 + 11s c. 9 – 11s d. 20 combine like terms. 5/6x take away -2/3x= answers: a. 1/6x b. 1/3x c. 1/2x d. x